#644EE6#644EE6

#644EE6 is a mid, highly saturated blue. Relative luminance 0.139; OKLCH L 53.9% C 0.219 H 282.8°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#644EE6
RGB	rgb(100, 78, 230)
HSL	hsl(249, 75%, 60%)
HSV	hsv(249, 66%, 90%)
CMYK	cmyk(56.5%, 66.1%, 0%, 9.8%)
CIE-LAB	lab(44.05, 49.37, -74.16)
CIE-LCH	lch(44.05, 89.09, 303.66°)
OKLab	oklab(53.87% 0.0485 -0.2133)
OKLCH	oklch(53.87% 0.219 282.8)
XYZ	xyz(22.2584, 13.8699, 76.3518)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EE6 #D0E64E

analogous

#4E84E6 #644EE6 #B04EE6

triadic

#644EE6 #E6644E #4EE664

tetradic

#644EE6 #E64E84 #D0E64E #4EE6B0

square

#644EE6 #E64E84 #D0E64E #4EE6B0

split-complementary

#644EE6 #E6B04E #84E64E

monochromatic

#2B17A3 #391FD8 #644EE6 #9384EE #C2B9F5

Accessibility & contrast

On white

5.56

#644EE6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#644EE6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EE6

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EE6	#FFFFFF	#000000	##FFFFFF
##644EE6	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DEB

Deuteranopia (green-blind)

#0063E3

Tritanopia (blue-blind)

#1E7593

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644ee6;
/* rgb */ color: rgb(100, 78, 230);
/* oklch */ color: oklch(53.9% 0.219 282.8);

Tailwind

colors: {
  custom: {
    50: '#9c81ef',
    500: '#644ee6',
    950: '#000000',
  },
}

SCSS

$custom: #644ee6;
$custom-light: #9c81ef;
$custom-dark: #000000;

JSON

{
  "hex": "#644ee6",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 230
  },
  "hsl": {
    "h": 248.684,
    "s": 75.248,
    "l": 60.392
  },
  "oklch": {
    "l": 0.53869,
    "c": 0.21877,
    "h": 282.8
  },
  "luminance": 0.13871
}

Semantic roles & 50–950 ramp

primary

#644EE6

secondary

#DDE5AB

accent

#D70EBA

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A17

muted

#7F7C85

Preview Lab

Preview with #644EE6

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →